Home / 6,603.17-9,112.38-3,951.21

Finding the Fourth Proportional to 6,603.17, 9,112.38 and 3,951.21

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Solution

The fourth proportional to 6,603.17, 9,112.38 and 3,951.21 is: 5,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,603.17 : 9,112.38 = 3,951.21 : x
  2. Step 2: Convert to fraction form
    6,603.17/9,112.38 = 3,951.21/x
  3. Step 3: Cross multiply
    6,603.17x = 9,112.38 × 3,951.21
  4. Step 4: Simplify right side
    6,603.17x = 36,004,926.98
  5. Step 5: Solve for x
    x = 36,004,926.98/6,603.17
  6. Step 6: Final answer
    x = 5,452.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.